Quantum Energy Teleportation in Spin Chain Systems

Details Quantum Energy Teleportation in Spin Chain Systems Quantum Energy Teleportation in Spin Chain Systems

2008-03-04

arxiv.org/abs/0803.0348v6

Physics

Quantum Physics

22 pages, 4 figure, to be published in JPSJ

Scientific paper

10.1143/JPSJ.78.034001

We propose a protocol for quantum energy teleportation which transports energy in spin chains to distant sites only by local operations and classical communication. By utilizing ground-state entanglement and notion of negative energy density region, energy is teleported without breaking any physical laws including causality and local energy conservation. Because not excited physical entity but classical information is transported in the protocol, the dissipation rate of energy in transport is expected to be strongly suppressed.

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